<script>
var geo={};

chrome.extension.onRequest.addListener(
  function(request, sender, sendResponse) {
    if (request.message == "geo") {
		geo[sender.tab.id] = request;
	    chrome.pageAction.setTitle({tabId: sender.tab.id, title: request.geoLat+" "+request.geoLong});
	    chrome.pageAction.show(sender.tab.id);
    } 
  });
</script>